my @rootmail_to = (comma_or_arrayref fetch_val('rootmail_to'));

push @rootmail_to, comma_or_arrayref($_)
    foreach fetchall_array('rootmail_add');

my $rootmail_to = join(",", @rootmail_to) || "root\@$domain";

file_append('/etc/aliases', "root:\t$rootmail_to\n", qr/^root:\s/, -run=>'newaliases');

1;
